v3.26.3
Segment Reporting (Schedule Of Operating Information, Segment) (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Segment Reporting Information [Line Items]        
Net revenues [1] $ 1,426,211 $ 1,429,396 $ 4,355,176 $ 3,969,151
Compensation and benefits 813,494 839,820 2,494,846 2,346,976
Non-compensation operating expenses 303,092 303,530 925,195 1,058,945
Income/(loss) before income taxes 309,625 286,046 935,135 563,230
Global Wealth Management [Member]        
Segment Reporting Information [Line Items]        
Net revenues 980,293 907,440 2,868,950 2,603,630
Compensation and benefits 478,877 441,626 1,411,919 1,284,159
Non-compensation operating expenses 127,008 123,164 390,061 544,360
Income/(loss) before income taxes 374,408 342,650 1,066,970 775,111
Institutional Group [Member]        
Segment Reporting Information [Line Items]        
Net revenues 430,281 500,435 1,406,233 1,305,143
Compensation and benefits 252,656 297,106 834,030 807,388
Non-compensation operating expenses 101,364 114,038 305,855 319,993
Income/(loss) before income taxes 76,261 89,291 266,348 177,762
Other Segments [Member]        
Segment Reporting Information [Line Items]        
Net revenues 15,637 21,521 79,993 60,378
Compensation and benefits 81,961 101,088 248,897 255,429
Non-compensation operating expenses 74,720 66,328 229,279 194,592
Income/(loss) before income taxes $ (141,044) $ (145,895) $ (398,183) $ (389,643)
[1] No individual client accounted for more than 10 percent of total net revenues for the three and nine months ended September 30, 2026 and 2025.